[URL="http://api.tweetmeme.com/share?url=http://espn.go.com/nfl/story/_/id/8097536/robert-griffin-iii-washington-redskins-says-extortion-shows-there-vultures&service=bit.ly&source=espn"][IMG]http://api.tweetmeme.com/imagebutton.gif?url=http://espn.go.com/nfl/story/_/id/8097536/robert-griffin-iii-washington-redskins-says-extortion-shows-there-vultures[/IMG][/URL]Redskins rookie quarterback Robert Griffin III said the arrest of a former Baylor basketball player for allegedly trying to extort money from the Heisman Trophy winner is a good lesson for NFL rookies.